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Micro Hang Gliding ( MicroHG or MHG )

Postby JoeF » Mon Nov 02, 2015 3:36 pm

There are many niche corners in the large realm of "hang gliding"; some corners receive more press than others. One corner may not have been yet properly noticed: Micro Hang Gliding ( MicroHG or MHG ). MHG comes in a huge variety of formats; one format was flown by me for BobK and Frank Colver to witness; that was about a month or so ago at Dockweiler slope.

This topic thread invite a study of the world of MHG. I noted a similar invite in another hang gliding forum.
==========
Micro Hang Gliding (MHG)
in the manned-piloted format is hang gliding. The glides are very very short in time duration; one hardly notices the gliding. The glide ratio is most often super tiny, often much less that L/D of 1. MHG has been occurring for thousands of years throughout the world. One may advance in the skills of MHG. Duration of glides may be increased; notice the 1-second threshold; then notice the 2-second threshold; etc.

Purposes of MHG? It varies from pilot to pilot, from scene to scene. The wings vary in configuration; some of the wings would not be easily recognized by pilots from contemporary hang glider clubs; yet the wings the club members use have been doing some MHG with little or no note.

This topic thread invites careful study and perhaps development of MHG. MHG may be done with super tiny wing sets or very large wings. There might be some neat research opportunities in the MHG realm. And some fun competitions may await careful definition. Exploring the purposes of MHG is invited. Measuring MHG glides may challenge sensors.

MHG in some forms may be done by senior citizens and just-post toddlers as well as by super prime athletes. Physical efforts may vary from tiny to large, depending on system design.

Most all HG pilots probably have a larger history of doing some types of MHG than they might have realized. Becoming aware of one's MHG background could be part of the fun of involving with this flight realm.

Long live MHG !

===============================

The first responder at the other forum raised a white flag and noted he was confused, as he was not sure what the topic was actually about. Fair pause.

==============================
For the first responder, I noted:
skoozey,
Fair enough white flag for a pause. Some clarifying.
You recently asked in a different topic: "How long were you up?"
Consider a hang gliding flight that lasted 1/10 of one second; such would be one instance of a MHG flight.

Explore the following: Have yourself a tiny hang glider wing, say of total area of 3 square inches; hook into that wing. Face the wind or walk into the wind. Step off a tiny mound so that both of your feet are off the ground and your body mass is hanging from your little wing as you glide back to have your feet touch the ground. That too would be an instance of micro hang gliding (MHG). What might be the duration of that hang gliding flight? It would depend on the height of the tiny mound and how you operated your feet and knees and wing. The precise time would also depend on the shape of the wing and the wind conditions. And your true altitude above or below sea level. And other factors (clothes, body mass, motions during the glide, ... ). What you were thinking during the MHG flight was pretty much up to you; what you thought just before you launched into the MHG was also probably left up to you; how you felt before, during, and after the flight was something you might put in your diary or exclaim to your friends. You might have come down without good coordination and hurt yourself; you might have landed on a sharp piece of glass or on the watch belonging to another person, perhaps a Rolex.
Now, this topic thread aims to explore a great variety of formats of MHG, purposes, challenges, safety, wing-set designs, hang-line designs, harnesses, etc. for MHG.
MHG is a subset living in the world of hang gliding. Ancients did MHG without having a word for their activity. Recall that wings may be super tiny or very large and of a limitless variety of shapes. MHG may occur using a wing set of one wing or a wing set having thousands of wings. Feel free to explore MHG.
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Re: Micro Hang Gliding ( MicroHG or MHG )

Postby JoeF » Wed Nov 18, 2015 9:22 am

Congratulations to Frank, JoeF, BobK, Max W., and Greg DeWolf: they all had some "Micro Hang Gliding" flights on November 15, 2015, at Dockweiler.
I had several different types of MHG in those hours: hair wing, hat wing, hair-coat hybrid, and Falcon 3; each type gave a true micro hang gliding flight.
Clip photo here is of Frank's MHG in Falcon 3 belonging to BobK. Photo by BobK. Notice that both feet are off the ground and that the system (pilot and wing) is in gliding flight. The duration of the shown flight was about one second. The shown screen clip is from my posting in another forum that still censors names and links.
Screen Shot 2015-11-18 at 8.15.02 AM.png
Frank Colver and his fine Micro Hang Glide Flight on Nov. 15, 2015
Screen Shot 2015-11-18 at 8.15.02 AM.png (580.4 KiB) Viewed 12838 times

:clap: :clap: :clap:
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Re: Micro Hang Gliding ( MicroHG or MHG )

Postby JoeF » Tue Dec 01, 2015 9:26 am


Hair-MHG by all people on earth at once: Jump up and glide down ... all of us at once. Each MHG is powerful! How powerful?
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Re: Micro Hang Gliding ( MicroHG or MHG )

Postby JoeF » Thu May 26, 2016 9:00 pm

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Re: Micro Hang Gliding ( MicroHG or MHG )

Postby JoeF » Sat May 28, 2016 1:22 pm

Today the Steve Corbin Sling Wing was formally used as the wing for a Levanda Ave. micro hang glide by me. Thanks, Steve
I hung from the wing using just one arm set of tendons. Running into the breeze I loaded the wing with my falling mass and glided back to terra firma in short order.
The flight was exhilarating; the approach to launch was healthful.
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Re: Micro Hang Gliding ( MicroHG or MHG )

Postby JoeF » Mon Jun 06, 2016 8:32 pm

A US President doing a micro hang glide with hands as parasol wings:
Image

This type of hang gliding may be filed in the micro hand gliding folder.
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Re: Micro Hang Gliding ( MicroHG or MHG )

Postby reluctantsparrow » Sat Jun 11, 2016 10:35 am

MHG, age eight, took several of moms clothes hangers and formed an airframe for a three foot wingspan and one foot chord. Took one of moms best sheets to cover the airframe, held in place by safety pins.
Positioned myself at one end of our long yard clutching wing by its leading edge in front of myself with forearms resting on wing and began to run to other end of yard where there was a twenty foot high hedge.
Due to prevailing dreams at that time I knew....absolutely knew...that at any moment during that run my weight would be lifted and the distance between steps would increase until I gently became airborne and lifted up and over the far hedge.
Mom watched out the kitchen window as tests were conducted all day long. first the run which always left me winded and staring up at the twenty foot high hedge I had failed to clear with my device. Then the long walk back to the other end of the yard to try again..and again...and again...
MOm sat me down that night to explain that I would have to wait until I grew up, get a pilots license, and fly an airplane with a motor of some kind to accomplish my dream.
I argued with MOm. I knew she was wrong. I knew what I experienced in my dream was possible, I just did not know how to build the proper device as yet.
I built several such devices and took to jumping from the roof of our barn to test these devices. These would be my first MHG flights. i was sternly disciplined for such actions but continued MHG experimentation from the barn roof under cover of darkness.
I got caught and was sternly disciplined repeatedly until Mom and Dad gave up and Burned the barn down to halt these aerial endeavors.
Yes, they actually burned the barn down to restrict MHG activity.

fast foreward...age twelve....Saw bob wills and chris price hanging by armpits on bamboo contraptions on front cover of Popular mechanics magazine (or mechanics illustrated, not sure which)......I was finally airborne by that time the following year.

the greatest benefit I have received from MHG experimentation is a unusually strong take off run that has followed me throughout my hang gliding career....RS
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Re: Micro Hang Gliding ( MicroHG or MHG )

Postby Bob Kuczewski » Sat Jun 11, 2016 1:34 pm

Jim, you were born to fly.    :salute: :salute: :salute: :salute: :salute:

Your story is both touching and inspiring. It's an honor to read your posts on our humble forum.

Bob
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Re: Micro Hang Gliding ( MicroHG or MHG )

Postby Frank Colver » Sat Jun 11, 2016 5:56 pm

the greatest benefit I have received from MHG experimentation is a unusually strong take off run that has followed me throughout my hang gliding career....RS


I envy the good take off run, RS

On my re-entry to hang gliding, after 38 years, my old nemesis has come back to haunt me. I didn't have a good take off run in the 1970's and I don't now.

It made my day at the 45th anniversary meet at Dockweiler when Dave Cronk said he had a problem with that also. And there was the time I actually saw the fantastic Bob Wills blow a takeoff on the shallow dune at Cantamar Mexico.

Ah, bad as I may be, it is good to have very distinguished company. :D

BTW - Thanks to all at Dockweiler who keep at me to run faster and farther before I lift my feet.

Frank
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Re: Micro Hang Gliding ( MicroHG or MHG )

Postby reluctantsparrow » Mon Jun 27, 2016 8:26 am

Frank Colver wrote:
the greatest benefit I have received from MHG experimentation is a unusually strong take off run that has followed me throughout my hang gliding career....RS


I envy the good take off run, RS

On my re-entry to hang gliding, after 38 years, my old nemesis has come back to haunt me. I didn't have a good take off run in the 1970's and I don't now.

It made my day at the 45th anniversary meet at Dockweiler when Dave Cronk said he had a problem with that also. And there was the time I actually saw the fantastic Bob Wills blow a takeoff on the shallow dune at Cantamar Mexico.

Ah, bad as I may be, it is good to have very distinguished company. :D

BTW - Thanks to all at Dockweiler who keep at me to run faster and farther before I lift my feet.

Frank


my mindset on take off is to run as if I am going to run all the way to the bottom of the hill and I pretend I CAN run all the way to the bottom of the hill. I never lift my feet. I do this regardless if it is a shallow slope or steep slope, high hill or low. the only type of launch I do not do this on is a cliff launch, especially a windy cliff launch, which usually requires one to focus more on the shape of the cliff and the angle of attack relative to the wind flow for airspeed and safety. Running full tilt on most cliff launches is asking for trouble depending on the shape of the running area relative to the cliff. Places like torrey and Funston of course are easy peasy.....I am talking about undercut cliffs, high winds, with take off areas that sometimes slope Uphill before the cliff drops off.
But on slope launches I pretend I CAN run all the way to the bottom of the hill, let the glider do the lifting. On flat slope launches like between the rocks at Chelan Butte I never lift my legs until very securely airborne as the nature of active thermal launches on flat slopes CAN drop you right back to the deck even after initial lift off. If I do NOT retract my legs on initial lift off my legs are still down and ready to run AGAIN if need be. I see a lot of pilots rotate into the prone position way too early on flat slope launches, get dropped back down to within inches of the deck, and usually pull it off but not always.
Being slow to rotate on flat slopes I am ready to run again a second or even a third time if need be.
With a mindset that I CAN run all the way to the bottom of the mountain a full commitment is secured and an amazing amount of speed can be gained which translates directly into safe airspeed.
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